Year Percent of total labor force (Units) 1980 5.751 1981 5.925 1982 6.281 1983 5.570 1984 6.135 1985 4.565 1986 2.012 1987 3.900 1988 2.575 1989 1.775 1990 1.775 1991 1.750 1992 1.800 1993 1.700 1994 1.725 1995 1.750 1996 1.650 1997 1.425 1998 2.500 1999 2.800 2000 2.675 2001 2.650 2002 3.550 2003 3.950 2004 3.350 2005 3.125 2006 2.650 2007 2.125 2008 2.225 2009 3.025 2010 2.175 2011 2.025 2012 1.950 2013 1.900 2014 1.950 2015 1.900 2016 2.075 2017 2.175 2018 2.100 2019 2.250 2020 3.000 2021 2.650 2022 2.100 2023 1.925 2024 1.900 2025 1.900 2026 1.900 2027 1.900 2028 1.900 2029 1.900